validate passwords and fix home

app/controllers/application_controller.rb

@@ -42,6 +42,12 @@ class ApplicationController < ActionController::Base
     @room.meeting.join_path(current_user.name, opts)
   end
   helper_method :owner_meeting_url
+
+  # Determines if a form field needs the is-invalid class.
+  def form_is_invalid?(obj, key)
+    'is-invalid' if !obj.errors.messages[key].empty?
+  end
+  helper_method :form_is_invalid?
   
   # Default, unconfigured meeting options.
   def default_meeting_options

app/controllers/rooms_controller.rb

@@ -1,9 +1,7 @@
 class RoomsController < ApplicationController
 
   before_action :find_room, except: :create
-
-  #before_action :verify_room_ownership
-  #skip_before_action :verify_room_ownership, only: [:create, :show, :join, :wait]
+  before_action :verify_room_ownership, only: [:start, :destroy, :home]
 
   # POST /r
   def create

app/controllers/users_controller.rb

@@ -5,14 +5,14 @@ class UsersController < ApplicationController
 
   # POST /users
   def create
-    user = User.new(user_params)
-    user.provider = "greenlight"
+    @user = User.new(user_params)
+    @user.provider = "greenlight"
 
-    if user.save
-     login(user)
+    if @user.save
+     login(@user)
     else
       # Handle error on user creation.
-
+      render :new
     end
   end